Finding the Fourth Proportional to 127,201,263.84, 175,539,320.64 and 71,458,860.15
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Solution
The fourth proportional to 127,201,263.84, 175,539,320.64 and 71,458,860.15 is: 98,614,112.67
Step by Step Solution
- Step 1: Write the proportion equation
127,201,263.84 : 175,539,320.64 = 71,458,860.15 : x - Step 2: Convert to fraction form
127,201,263.84/175,539,320.64 = 71,458,860.15/x - Step 3: Cross multiply
127,201,263.84x = 175,539,320.64 × 71,458,860.15 - Step 4: Simplify right side
127,201,263.84x = 12,543,839,764,439,768 - Step 5: Solve for x
x = 12,543,839,764,439,768/127,201,263.84 - Step 6: Final answer
x = 98,614,112.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.